四年级数学（小数加减运算）计算题专项练习与答案汇编

四年级数学（小数加减运算）计算题专项练习与答案汇编7.31+8.12+4.04=8.31-6.2-1.91-0.03=0.39+9.41-4.81-2.42=3.65+8.69+7.48=9.81-0.35-2.65-5.67=9.75+6.29-2.71-0.96=7.96-2.55-0.82=5.98-5.04-0.75=9.25-5.27-2.8-0.59=9.13-0.49-8.31+8.33=6.18+8.11+1.04-3.56=8.32+2.08-9.86=1.54+9.56-1.26+9.81=5.62-2.95+2.49=6.78+1.97+8.15-3.22=1.91+3.48=8.45-4.58+2.82=2.82-0.17+9.07=6.76+5.07+0.53=8-0.03+4.23+2.69=7.16-5.87+9.33+1.34=5.57-2.44-2.04-0.78=6.92+7.05+4.19=4.38-0.25-0.72-0.27=8.9-7.02-1.59=7.43-0.26+5.99=9.05+4.92+0.83-1.92=0.49+4.7=4.92-2.01+5.99=4.44-0.78=3.86-1.44=5.86-5.15+9.11=9.83+0.57-7.55=5.42+6.02-6.37+8.89=6.71-6.21+3.68+6=3.16+5.71=9.74-2.79+4.94+2.12=4.91-1.61+8.13-8.6=6.09-2.07+8.59-5.66=4.04-2.03+4.72+0.28=8.63-1.22-4.54-1.58=0.08+9.94-1.47=3.55-0.56-0.23+2.23=9.78-2.53-3.56-0.43=3.66-1.37+8.43-0.84=8.6-1.94+0.5=6.57+5.04-7.12+7.06=5.89+8.08-7.9+9.57=7.9+4.54+3.52-9.57=8.95-1.88-4.35-2.43=3.03+3.88+6.13-0.32=6.91+7.3-3.68=6.78+8.1-0.49=9.09+9.71+7.16=5.87+8.65=5.36+0.45=9.99-0.38=3.4+5.19+0.17=9.74+1.13+3.16-7.99=4.47-3.97+0.09=3.55-1.36-0.34-0.53=0.95+3.83+9.34+7.64=7.79-6.91+4.61=2.99+7.32-1.89+1.62=8.24+9.93=4.87+6.83=3.66+9.29-4.79+8.91=4.58+7.12-2.1+7.06=8.66-4.05=8.33+4.43=6.43+9.99-3.61-7.84=5.79+0.86-2.45+7.75=9.97-3.39-4.85=5.95-2.59+4.78=7.64-2.18-3.49-0.17=9.8-1.53-3.7+0.93=3.33+2.78-1.17-0.55=1.47-0.27+9.42-3.28=8.14-7.68+6.17+7.51=9.82-1.77-3.98-1.99=8.14-0.45-3.18-0.22=5.05-1.17+6.13=6.95-3.53-0.54+7.11=2.95+0.45+3.23=4.05+6.02+6.74=7.6+9.88-3.71-1.03=7.44+6.19-7.66=0.82-0.18+4.22-4.7=5.41-3.22+3.01+4.77=4.9+1.13-2.27=9.91+7.61+1.43=6.44+8.58=3.46-0.19+6.89+5.39=1.64+6.75+6.92-5.23=3.98+9.87+7.91-5.26=5.29-0.47-0.88=0.29+5.42=6.53+5.49-2.03=4.78+5.04-1.44-5.96=2.15+6.95-4.9-0.61=5.04-1.59+5.99+6.7=6.47-3.35+7.85-1.24=8-3.34-1.12-2.73=5.4+3.07=6.79-3.39+4.06-3.8=9.46-3.11+4.87+8.77=4.18-1.2-1.43+4.35=9.45-6.79+9.39+4.27=3.73+9.03-0.94=9.72-1.76-7.23=6.4-4.38+1.54=9.7+1.96-6.22-3.79=6.49+3.43+5.07+0.02=9.91-2.86-3.86+8.7=4.95-1.9+1.99+1.65=9.59+1.67-2.11-8.41=9.99-1.03-2.96+6.51=3.69+7.07-4.81+3.95=8.84-4.17-2.47-0.24=0.48+1.82=8.3-1.08-2.49+7.94=7.01-1.73-1.25=5.07-1.4+3.34-6.65=4.68+1.7+0.15=6.93+1.88=7.49-2.58-0.32-2.62=6.28-2.12=9.9-7.54+8.6=2.61-1.15+0.94-1.76=3.74+4.14+1.87+9.29=7.78+7.69+9.82-5.78=9.45-8.64+6.48=5.95-5.15+1.52=1.88+2.84+9.59+1.59=4.14+4.56-2.25=5.25-4.47=8-4.28=7.46-6.63+1.28+5.37=7.8-3.08-2.87+3.98=8.65+0.1=3.75-0.08=0.67+4.46+4.45+0.09=9.87-2.07-2.69-0.29=9.85+6.93-4.96=8.5-2.67-1.61-1.56=0.38+0.85-0.8+5.69=8.12+2.43+2.39-3.57=9.04-2.06-4.84+1.93=8.79+1.8-4.4-5.22=9.46-4.74-4.09=4.34-1.49+9.88=6.98+1.03+0.73+3.38=0.47+5.09+4.92+2.73=8.38-6.01+8.09-9.23=9.96-0.36-1.27-1.97=3.53-0.09=5.3+8.45=3.88+6.64+2.44+0.53=6.49-0.81+4.62+0.8=8.67-0.97-1.08-3.31=3.45+5.79+9.15-5.77=8.98+7.23-8.94=8.25-7.24+3.78=4.11+3.55+9.05+3.97=8.46-0.29-7.06=3.53+5.85+8.88+3.09=8.31-4.49-1.74-1.22=7.01+7.2-0.22+3.66=9.75+6.85-3.61+9.7=2.04+9.34=5.93-0.91-1.83-2.66=5.55-2.73+1.27-2.24=8.86-5.28+7.58-8.27=7.92-3.92+5.81+1.86=8.74+7.34+8.4+4.23=8.96+7.68-6.46-6.95=9.52+6.84-5.03-8.23=5.63-3.79=0.1+1.38+7.8=8.63-0.62-1.22-5.14=6.11-3.89+8.75=8.9-4.5-0.15+1.82=9.62-5.05-4.02-0.35=7.96-4.46+9.5-3.23=3.25+9.62-3.26-1.12=3.03-0.21-0.67=6.85+3.19+0.96+0.51=7.74+9.17+7.61=8.54+8.73+6.08=6.77-4.58=1.41-0.43+5.1-4.94=6.91+5.58+7.44-4.12=8.09-0.34-6.62=9.6-3.16=8.76-7.4-0.84=2.97-1.32+8.41-5.17=8.48-2.64-4.57-0.14=9.94+9.05+2.47-1.82=5.33+1.95+2.11=6.91-5.84+1.94+9.58=6.83+9.87-2.89-0.37=3.31-3.14+8.87-2.67=9.69-1.06-7.33=7.4+0.98-1.52-6.54=6.37-0.38-0.72-2.23=0.5+7.82=2.98-1.73+0.49+9.29=3.3+2.54=3.54+3.38-5.12=7.36-1.96-3.63=3.9+4.99+9.29-3.43=8.84-5.69-1.48=5.1+8.99-3.28-8.92=6.91-1.4+1.18=7.2-5.31-1.01+3.15=6.24+8.52+5.42-5.07=9.06-5.12+4.38=3.72+7.44=4.11+0.83+0.66+3.88=7.12-4.74=1.95-1.15=9.71-3.69-2.37-3.07=3.59+7.81-3.67=8.88+2.71-4.74-4.24=4.67+6.11+8.94-5.9=4.89-2.43+1.93+8.79=1.17-0.55+2.44=0.82+6.6-1.11=9.1+1.12+8.64+2.76=7.66-2.25-0.26=5.13+7.18=7.94+1.03-0.1-3.19=9.83-2.6-0.4=9.83-6.38-2.64=1.28+9.94+6.77+1.84=0.87-0.47=8.02-5.73=5.35+4.8+3.1-7.9=9.17-5.36+9.69+7.44=7.57-0.81-5.56=8.83-1.1-1.53=7.22-1.17-5.29=3.67-0.68-0.41+7.96=5.85-4.51+5.14=3.13+3.42+0.92+1.61=9.84-4.72=9.52+9.45-4.6+9.85=5.47-2.85-0.14=9.15-4.15+2.87-4.77=7.51-6.93+1.41=3.93-1.83+5.49-6.92=6.02+0.53=8.74+6.3-0.43-1.48=5.85+0.23-5.42+4.58=2.73-0.18+7.86-0.43=7.58-6.08-0.18+9.53=1.47+9.75-8.79=3.55-1.48+5.9=7+5.92+0.74-0.89=4.61-0.88-0.97-1.65=5.22+0.34+9.03-3.99=4.92+3.94+0.28-8.15=9.31-6.61+6.16=6.34+8.69+2.81-2.1=9.2-7.43-1.32=9.62-4.34-4.1+7.05=4.06+4.8-3.48=8.84+6.71-1.76-7.85=6.29-0.78=3.25+7.34-7.27=8.95+2.65-5.76=2.87-1.29-1.08=7.9-0.59+4.72=6.11-1.6=9.42-2.76-3.63+1.65=4.62-0.82+8.35-2.55=7.63-2.03-3.8=5.25-1.75-3.01+2.31=1.39+4.21+3.67=6.96-6.27+4.45+6.22=8-4.2+7.89-1.92=4.86-0.56-1.49-0.71=6.22+8.96-4.51-3.32=4.5-3.05+8.8=8.2+2.53-2.55=9.05-5.58+5.71-0.98=5.76+5.24-3.16-1.46=7.21+2.47-2.89-5.23=2.49+4.98-1.22+8.54=5.11+0.88=9.76+6.8+1.74+1.06=3.16+9.86+5.39-0.68=6.31+7.56-0.8=5.32-0.79-2.49=3.3+7.85+3.13+6.18=2.6-0.24-0.41+7.2=8.27-4.94+0.93+9.19=7.45-7.2+9.81-3.54=3.9+4.16=4.28-3.64+7.9+7.86=1.77+6.58-0.71-6.81=4.99+8.5+4.62+6.93=8.22-7.99+2.29-0.03=5.81-1.22-3.2=6.64-5.23+7.79=8.6+3.82-3.52+5.33=7.65+3.98=4.92+2.28+7.62-9.99=0.6+8.65+8.04+4.53=5.41-1.4+0.07=5.54+6.53+6.41+8.12=5.06+3.31+3.87+1.28=2.78+5.51+8.64-0.63=9.95-5.78=2.56+4.88=0.62+6.78-4.79=0.23+9.25-6.17+6.14=5.21+6.48+5.03-2.63=9.7-1+4.64+6.49=9.65+4.72+5.98=2.53+0.92+1.49+8.63=2.22+3.25+2.36-2.56=4.99+7.66+7.25=8.21+2.86+1.89-2.18=5.11-2.94+7.01-1.54=7.57-1.56+8.31+2.7=7.55-2.67+3.92=4.51-0.49-1.09+7.95=7.77+0.03+0.04=8.57+3.4+7.62+4.06=7.63-6.16-0.92+8.09=6.41-0.62+2.49+6.01=8.1-2.1+3.26+0.92=9.67+4.68+6.13+6.37=8.43-1.99=1.99+7.92-6.3+5.68=7.78-1.05-3.35-2.42=7.42-5.85=8.39+4.09+1.2+2.55=6.55+7.54+5.79=6.95+5.9+6.89-0.13=5.62+4.95=2.09+2.75+4.26+7.85=5.77-1.77-2.49=7.12+3.33+8.56-7.35=8.54-5.89+7+5.74=4.68-0.38=5.39-5.11+3.47=6.97+8.97-4.33=3.74+9.59-1.22=8.9-0.39-1.21-6=9.56-7.72+1.94+8.34=5.92+4.99+6.95=6.59-0.09-2.3-4.01=6.05-3.86+4.48+2.69=5.56+1.31-2.53-1.23=8.4+3.68+6.89+6.67=7.19-3.18-0.56-0.14=2.41-2.16+7.77-4.22=8.21-1.01+8.67-3.47=5.52-2.63=9.23+8.29-2.73-3.69=3.16-1.96+0.73=6.75-0.53-5.81=9.6-6.17+5.47=0.76+5.42+2.12=9.58-2.1+9.56-1=7.6+6.75+8.29=4.48+8.68-6.79+9.29=9.28+9.53-3.26-5.78=7.66-1.45=8.54-0.32+5.69+2.95=8.02-4.7+1.04+5=6.81+8.21-7.21=1.87+7.77+6.02+8.42=5.61-4.44+8.39=8.32+1.28+9.68-9.18=7.73-4.36+1.74+9.91=9.07-6.59+0.81+9.77=7.06+6.82+4.72-0.06=0.74+9.08+5.16-9.31=9.53-1.18-3.84=3.29+1.43+2.7=8.43-1.99-0.75=6.32+6.66-2.48-8.66=5.66+3.44+3.58=8.97+7.33-5.82-3.24=7.15-3.15+6.86=5.13-4.84+5.51=0.24+3.96+1.98+4.43=8.44+6.08-5.28-2.19=9.91+9.25+6.69+2.28=7.31+7.62+2.68=7.68+7.9=8.58+9.67-4.78-1.39=0.34+7.69-1.85-3.32=3.04+5.5=9.36-2.65-4.41=7.3-1.26=8.13-4.55=4.47-2.19+7.79=8.37-1.47-2.56-0.6=9.72+4.6+7.86+4.2=3.76+7.37-2.96=4+9.44+0.23=4.69-3.19-0.25+8.45=8.39-3.1-4.97+2.56=9.4+5.48-6.45-5.47=1.66+2.54=9.05-3.09+4.47-7.25=3.97+4.11=8.47-7.96+0.08+5.64=9.3+3.07+2.82=6.24-4.87+2.62+7.35=7.47-0.84=9.95-4.91+9.02-3.58=1.5+6.66+1.37+3.83=8.74-1.37-6.12-0.06=8.73+3.09-8.36+6.67=9.51+1.99-6.52+2.53=6.64-0.42-2.77-0.58=4.04-2.48=4.26+9.57-5.66+9.34=4.73-0.14-3.41=5.75-1.58+6.92-9.21=8.62+5.36+8.03=9.74-1.4-5.85+9.22=7.01-5.03-1.86+8.45=1.7+2.61-1.42=4.12+6.04+9.03+4.39=2.22+1.21=8.84-3.24-3.79=9.93+7.08+2.67=7.83-7.29+2.58=0.76+8.39=5.72+2.9+0.04-4.37=2.52+8.75+7.53=3.06-0.4+3.21+5=9.65-5.42-1.05+5.83=5.19-3.51=7.3-2.15-4.39=7.25-2.31-0.82+8.17=1.75+2.59=8.59+9.57+8.25-9.56=8.88-1.03+4.98-0.45=3.18-1.7-0.21+6.34=6.47+2.45+8.16+6.62=7.6-2.62-3+3.8=9.75+9.66-2.33=7.29-4.29+1.79=0.22+2.5+3.77-0.79=8.8+2.25+5.6=6.57+7.96-6.07+6.33=8.34+9.24-7.75-3.83=5.46-2.02+0.94=4.05-0.4+8.15-5.86=3.52+6.45-7.83=7.03-1.53=3.05+2+7.88+8.88=0.18+8.21-7.4=5.02-4.29+4.24+2.88=1.48+0.51+3.97=4.46-3.79+8.91+2.62=4.8-3.49-0.06+0.14=9.91+9.01-6.67+3.1=3.35-1.48+2.65=0.29+5.91=9.96+7.13-5.75-4.39=5.6-0.46-4.51+6.57=7.95-3.15+2.59=8.02+1.32-6.35+4.93=9.54+6.06+8.66=5.97-0.43-2.75+9.15=1.02+8.85=3.64-0.38=4.45+5.47-9.17=5.04-0.27-2.55-1.36=8.29+3.73-3.76-7.41=7.69+3.6+7.23=9.58-5.35+7.15-9.56=2.18+8.2=3.83-1.74-0.68+2.54=1.44+6.95-3.56=8.77+5.16+8.64+4.72=4.7-3.96=4.67+1.74-1.99=4.04+9.34-1.78-4.82=4.65+4.91-6.48=3.17+6.63-8.76+1.23=5.69+9.83-7.6+5.71=8.35-4.74-0.79-1.39=5.77+6.89+7.61+8.71=7.84+6.88=6.41+9.99-3.84+4.61=2.45+1.45=6.23-0.58+4.87-4.82=8.66-5.07-0.25-2.27=2.06+6.79-2.16+1.11=4.38+6.67-1.03+5.48=8.13+1.14+9.16=4.91+9.98+3.41=9.36-0.69-5.56-1.88=8.01+3.02-6.14-2.92=6.38-2.95+5.58=9.94+8.71-4.49-7.9=1.46+2.92=9.81-7.75-0.02+6.62=6.55-3.18-3.01=9.46-2.16=2.94+5.74+6.28+5.98=5.73+6.27+4.75-6.6=5.69+4.53-6.68-2.43=4.69+0.76=6.11-3.34+8.52-6.03=3.66+1.17+6.59+7.69=2.87+4.96+8.46=0.4+4.32+6.64+5.59=9.97-1.09-0.77-1.52=2.07+7.84+9.81-5.99=9.99-8.47+2.16-0.83=9.36-0.16=9.99-4.47-4.07=5.6+3.41=8.24+3.25-2.54+4.54=8.08-6.43-1.03+4.79=9.72-3.08=6.49-3.17=5.33-0.69-2.4-1.9=7.3+0.24-0.54-4.69=6.45+9.78+2.02=6.44-3.17-0.95-1.14=7.26-2.67+9.58-9.38=3.48-2.97=4.87+8.75-7.98=6.43+1.65-3.67+4.41=9.61-3.25+2.68+8.85=5.3-0.1+2.81+1.02=8.54-3.85=7.74-6.84+0.02+3.28=9.98-5.71-3.3=6.84-4.22+2.05+6.27=6.61-0.07-2.51+3.1=8.53+9.35+6.18=6.96+4.4+0.69=0.21+7.22-3.23=3.17-0.93+2.32+3.39=9.94-1.35-3.87-4.07=6.52+5.06=5.09+1.44+4.12=8.94-0.07-0.13-6.1=8.34+2.67+2.31=3.37+5.55-7.8=7.59-5.08-0.64+7.72=8.95-1.88-5.58+8.27=5.71+1.91-3.88=0.81+3.05=8.02-1.57-4.08-1.58=2.52+4.62+2.69+3.39=8.9+2.88+0.84=2.54-0.49=6.14-2.89-2.88+5.49=8.79-5.27+5.18+1.12=2.28+4-3.65+1.46=8.72+4.78+5.42+6.99=3.66-0.32+7.21+6.22=6.37-1.9=3.56-1.41+8.55-5.97=9.82+3.48+2.9=8.32+0.58+6.2=5.6+7.07=5.92-1.46+6.65-8.7=5.85+1.52+3.02-0.65=9.71-5.83=8.83-2.75-3.18+5.89=9.24-3.94+2.27=2.89+7.56-2.55+2.73=1.59+6.45-4.67=4.62-2.76=4.71+8.74-3.24-7.42=3.32-2.62=0.86+7.94-1.79+1.36=6.98+8.55-7.62=5.98-1.94=5.13-2.35+4.23-6.16=0.7+1.21+8.05-5.69=2.76-0.88+8.34-6.66=2.33+3.94-4.53=2.95+3.96-2.96+4.84=9.06+6.21-7.22=8.04-1.91-6=5.89+4.94-1-4.08=5.39+6.1-2.91+2.32=5.62+8.69+5.11+5.88=0.39+1.5=2.39+4.91=8.16-3.37-0.03=9.09+2.1-5.85+1.71=8.98-3.04-3.27=8.41-6.28-0.15+9.05=9.79-6.97=7.98-0.25-5.03+9.59=6.1+9.23+2.89-6.83=9.64-5.22-0.94-0.06=5.5+4.06-8.56-0.08=2.22+2.88+3.03=4.51-2.75-1.19=6.81-2.11-2.62=1.49+3.96+8.67-3.08=2.19-0.07+5.82=7.94-7.21-0.48+1.8=8.26+4.97=7.41+3.8-1.52=9.27+4.67+9.91+9.96=0.17+8.19-1.87=8.99+5.52-6.61-1.48=7.75-0.11-2.02-2.9=5.86+9.15-9.64=8.86-1.04+2.78-5.92=1.62+8=9.98-3.99-0.4-3.8=8.37+7.51+9.74+5.52=5.98-0.09-3.82+8.89=7.43+6.9+0.85=7.67+8.23=1.84+7.98-6.45+0.44=8.44-7.38-0.75=9.23-8.75=5.89+2.94+5.4-1.25=6.9-0.16-4.06+5.1=9.42-3.29-1.27=0.23+1.75-1+7.12=1.24+2.54+8.41-4.54=9.63-3.77+8.51-7.22=9.19-1.3-2.27-4.6=9.2-3.14-1.21-3.84=3.85-0.24+4.43+7.17=4.39-1.65-0.21=9.52+6.19-6.09+1.77=3.33-2-0.96+0.41=6.64+2.61-1.44-4.91=6.44+1.53+3.14+1.49=5.68+6.38-9.35+1.11=0.95+8.76-5.61=8.25+6.79-3.27+1.56=9.83-3.51-5.35=1.56-0.22+7.43=4.22+8.55+9.63+5.81=7.01-1.03+0.67-3.53=3.57+3.77+0.11=8.03+9.2+9.35-4.99=5.38+4.98-2.39+7.36=8.79-2.47-0.77=3.98-2.82+2.49+8.79=8.61+1.08+8.19-2.99=6.82-1.53+3.56+8.98=8.86-5.85+1.32=7.03-1.08-1.27-3.39=8.38+8.86-2.32=8.3+8.49-8.68-0.56=9.39+2.08-5.34+3.83=8.67+2.11+7.46+3.98=3.6+5.16+2.1-8.29=6.77+7.22=5.16+3.96=7.96-2.97+6.45-1.33=8.34-1.09+5.88+6.96=4.15-2.27+9.61=6.05-2.79=4.07-1.34+3.35-3.69=8.58+9.02-0.72-3.29=6.72-6.13=9.72-0.57+4.75-7.8=9.5-4.47-3.49+2.27=8.4+2.87+5.24=5.85-4.22+5.67+8.5=4.55+9.46-4.79+5.23=8.31+5.86+9.95+3.42=7.59+2.29-7.29+8.11=8.4-4.64+3.09=9.79-0.59+4.53-0.27=7.19-6.19=8.04-1.58+9.32-2.28=9.67-1.13-7.71+8.01=7.45-4.49+0.34=0.5+2.52+0.69-0.68=5.36+8.91-7.13+7.19=1.6-0.81-0.27+9.35=3.63-1.67-1.07+0.78=6.92+9.86-0.25=2.69-0.44-1.32-0.81=3.76-1.19=6.18+6.97+5.91-7.6=8.4-3.47+8-3.51=6.85-3.51-2.56+8.89=4.73+1.51-0.07-5.62=9.78-1.31-1.37+2.96=9.29-5.89-2.43=7.89-1.74+5.91+8.47=9.87+6.07+8.62+4.75=2.58-1.12=1.74+1.19+9.13=9.59+7.24-1.55+3.09=9.25-2.07+8.64-9.26=6.89+0.24-2.26+4.89=7.16+2.72+1.72-9.63=0.08+9.12-3.01=7.78-1.46-1.89=3.71+5.36+6.47+2.25=4.86-0.09-1.22+1.14=6.93+9.15-3.91-0.2=2.84+1.3+9.49-5.03=5.7-0.2+0.48=8.63+3.66+8.11-1.81=7.63+6.58-9.95-1.93=2.56+3.67+7.46=4.14+2.99+9.62-6.35=7.9-0.91-4.46=0.65+6.38+4.58-6.81=4.94+3.49-5.55=8.07-6-0.88-0.87=8.13-2.93-5.09=8.47-8.25=7.8+1.81=4.01+8.51-1.26=8.3-7.14-0.35+8.01=8.46-0.42+2.94+6.89=7.04+2.39-2.63+2.33=3.31+6.46-2.1+9.24=6.26-1.96-3.75+7.1=7.61+1.2-7.11+5.01=4.29+7.02+4.43-0.9=8.18-5.07-1.5=4.62-3.53+9.08=9.17+8.48+5.05=7.38-3.75+4.83=3.23-1.44+6.33-3.52=2.27+6.42=5.45-5.2+1.78+8.1=5.48+6.6-7.93=1.28+5.06+9.34+0.81=4.93+5.96-1.33-4.5=6.02-0.88+0.48=5.73+7.41-1.38-6.85=8.32+5.24-0.57+7.37=2.25+6.27+8.1+8.98=6.88-5.82=7.99-2.09+8.87-7.98=5.98-2.77-0.33=7.65-1.57-1.98-2.61=4.6+8.82-4.51-2.98=7.03+9.85=5.98+5.23+9.01=9.17+5.49-1.76=0.4+2.58-2.46=5.13+3.22+3.35=6.69-1.66+8.01+2.75=参考答案7.31+8.12+4.04=19.478.31-6.2-1.91-0.03=0.170.39+9.41-4.81-2.42=2.573.65+8.69+7.48=19.829.81-0.35-2.65-5.67=1.149.75+6.29-2.71-0.96=12.377.96-2.55-0.82=4.595.98-5.04-0.75=0.199.25-5.27-2.8-0.59=0.599.13-0.49-8.31+8.33=8.666.18+8.11+1.04-3.56=11.778.32+2.08-9.86=0.541.54+9.56-1.26+9.81=19.655.62-2.95+2.49=5.166.78+1.97+8.15-3.22=13.681.91+3.48=5.398.45-4.58+2.82=6.692.82-0.17+9.07=11.726.76+5.07+0.53=12.368-0.03+4.23+2.69=14.897.16-5.87+9.33+1.34=11.965.57-2.44-2.04-0.78=0.316.92+7.05+4.19=18.164.38-0.25-0.72-0.27=3.148.9-7.02-1.59=0.297.43-0.26+5.99=13.169.05+4.92+0.83-1.92=12.880.49+4.7=5.194.92-2.01+5.99=8.94.44-0.78=3.663.86-1.44=2.425.86-5.15+9.11=9.829.83+0.57-7.55=2.855.42+6.02-6.37+8.89=13.966.71-6.21+3.68+6=10.183.16+5.71=8.879.74-2.79+4.94+2.12=14.014.91-1.61+8.13-8.6=2.836.09-2.07+8.59-5.66=6.954.04-2.03+4.72+0.28=7.018.63-1.22-4.54-1.58=1.290.08+9.94-1.47=8.553.55-0.56-0.23+2.23=4.999.78-2.53-3.56-0.43=3.263.66-1.37+8.43-0.84=9.888.6-1.94+0.5=7.166.57+5.04-7.12+7.06=11.555.89+8.08-7.9+9.57=15.647.9+4.54+3.52-9.57=6.398.95-1.88-4.35-2.43=0.293.03+3.88+6.13-0.32=12.726.91+7.3-3.68=10.536.78+8.1-0.49=14.399.09+9.71+7.16=25.965.87+8.65=14.525.36+0.45=5.819.99-0.38=9.613.4+5.19+0.17=8.769.74+1.13+3.16-7.99=6.044.47-3.97+0.09=0.593.55-1.36-0.34-0.53=1.320.95+3.83+9.34+7.64=21.767.79-6.91+4.61=5.492.99+7.32-1.89+1.62=10.048.24+9.93=18.174.87+6.83=11.73.66+9.29-4.79+8.91=17.074.58+7.12-2.1+7.06=16.668.66-4.05=4.618.33+4.43=12.766.43+9.99-3.61-7.84=4.975.79+0.86-2.45+7.75=11.959.97-3.39-4.85=1.735.95-2.59+4.78=8.147.64-2.18-3.49-0.17=1.89.8-1.53-3.7+0.93=5.53.33+2.78-1.17-0.55=4.391.47-0.27+9.42-3.28=7.348.14-7.68+6.17+7.51=14.149.82-1.77-3.98-1.99=2.088.14-0.45-3.18-0.22=4.295.05-1.17+6.13=10.016.95-3.53-0.54+7.11=9.992.95+0.45+3.23=6.634.05+6.02+6.74=16.817.6+9.88-3.71-1.03=12.747.44+6.19-7.66=5.970.82-0.18+4.22-4.7=0.165.41-3.22+3.01+4.77=9.974.9+1.13-2.27=3.769.91+7.61+1.43=18.956.44+8.58=15.023.46-0.19+6.89+5.39=15.551.64+6.75+6.92-5.23=10.083.98+9.87+7.91-5.26=16.55.29-0.47-0.88=3.940.29+5.42=5.716.53+5.49-2.03=9.994.78+5.04-1.44-5.96=2.422.15+6.95-4.9-0.61=3.595.04-1.59+5.99+6.7=16.146.47-3.35+7.85-1.24=9.738-3.34-1.12-2.73=0.815.4+3.07=8.476.79-3.39+4.06-3.8=3.669.46-3.11+4.87+8.77=19.994.18-1.2-1.43+4.35=5.99.45-6.79+9.39+4.27=16.323.73+9.03-0.94=11.829.72-1.76-7.23=0.736.4-4.38+1.54=3.569.7+1.96-6.22-3.79=1.656.49+3.43+5.07+0.02=15.019.91-2.86-3.86+8.7=11.894.95-1.9+1.99+1.65=6.699.59+1.67-2.11-8.41=0.749.99-1.03-2.96+6.51=12.513.69+7.07-4.81+3.95=9.98.84-4.17-2.47-0.24=1.960.48+1.82=2.38.3-1.08-2.49+7.94=12.677.01-1.73-1.25=4.035.07-1.4+3.34-6.65=0.364.68+1.7+0.15=6.536.93+1.88=8.817.49-2.58-0.32-2.62=1.976.28-2.12=4.169.9-7.54+8.6=10.962.61-1.15+0.94-1.76=0.643.74+4.14+1.87+9.29=19.047.78+7.69+9.82-5.78=19.519.45-8.64+6.48=7.295.95-5.15+1.52=2.321.88+2.84+9.59+1.59=15.94.14+4.56-2.25=6.455.25-4.47=0.788-4.28=3.727.46-6.63+1.28+5.37=7.487.8-3.08-2.87+3.98=5.838.65+0.1=8.753.75-0.08=3.670.67+4.46+4.45+0.09=9.679.87-2.07-2.69-0.29=4.829.85+6.93-4.96=11.828.5-2.67-1.61-1.56=2.660.38+0.85-0.8+5.69=6.128.12+2.43+2.39-3.57=9.379.04-2.06-4.84+1.93=4.078.79+1.8-4.4-5.22=0.979.46-4.74-4.09=0.634.34-1.49+9.88=12.736.98+1.03+0.73+3.38=12.120.47+5.09+4.92+2.73=13.218.38-6.01+8.09-9.23=1.239.96-0.36-1.27-1.97=6.363.53-0.09=3.445.3+8.45=13.753.88+6.64+2.44+0.53=13.496.49-0.81+4.62+0.8=11.18.67-0.97-1.08-3.31=3.313.45+5.79+9.15-5.77=12.628.98+7.23-8.94=7.278.25-7.24+3.78=4.794.11+3.55+9.05+3.97=20.688.46-0.29-7.06=1.113.53+5.85+8.88+3.09=21.358.31-4.49-1.74-1.22=0.867.01+7.2-0.22+3.66=17.659.75+6.85-3.61+9.7=22.692.04+9.34=11.385.93-0.91-1.83-2.66=0.535.55-2.73+1.27-2.24=1.858.86-5.28+7.58-8.27=2.897.92-3.92+5.81+1.86=11.678.74+7.34+8.4+4.23=28.718.96+7.68-6.46-6.95=3.239.52+6.84-5.03-8.23=3.15.63-3.79=1.840.1+1.38+7.8=9.288.63-0.62-1.22-5.14=1.656.11-3.89+8.75=10.978.9-4.5-0.15+1.82=6.079.62-5.05-4.02-0.35=0.27.96-4.46+9.5-3.23=9.773.25+9.62-3.26-1.12=8.493.03-0.21-0.67=2.156.85+3.19+0.96+0.51=11.517.74+9.17+7.61=24.528.54+8.73+6.08=23.356.77-4.58=2.191.41-0.43+5.1-4.94=1.146.91+5.58+7.44-4.12=15.818.09-0.34-6.62=1.139.6-3.16=6.448.76-7.4-0.84=0.522.97-1.32+8.41-5.17=4.898.48-2.64-4.57-0.14=1.139.94+9.05+2.47-1.82=19.645.33+1.95+2.11=9.396.91-5.84+1.94+9.58=12.596.83+9.87-2.89-0.37=13.443.31-3.14+8.87-2.67=6.379.69-1.06-7.33=1.37.4+0.98-1.52-6.54=0.326.37-0.38-0.72-2.23=3.040.5+7.82=8.322.98-1.73+0.49+9.29=11.033.3+2.54=5.843.54+3.38-5.12=1.87.36-1.96-3.63=1.773.9+4.99+9.29-3.43=14.758.84-5.69-1.48=1.675.1+8.99-3.28-8.92=1.896.91-1.4+1.18=6.697.2-5.31-1.01+3.15=4.036.24+8.52+5.42-5.07=15.119.06-5.12+4.38=8.323.72+7.44=11.164.11+0.83+0.66+3.88=9.487.12-4.74=2.381.95-1.15=0.89.71-3.69-2.37-3.07=0.583.59+7.81-3.67=7.738.88+2.71-4.74-4.24=2.614.67+6.11+8.94-5.9=13.824.89-2.43+1.93+8.79=13.181.17-0.55+2.44=3.060.82+6.6-1.11=6.319.1+1.12+8.64+2.76=21.627.66-2.25-0.26=5.155.13+7.18=12.317.94+1.03-0.1-3.19=5.689.83-2.6-0.4=6.839.83-6.38-2.64=0.811.28+9.94+6.77+1.84=19.830.87-0.47=0.48.02-5.73=2.295.35+4.8+3.1-7.9=5.359.17-5.36+9.69+7.44=20.947.57-0.81-5.56=1.28.83-1.1-1.53=6.27.22-1.17-5.29=0.763.67-0.68-0.41+7.96=10.545.85-4.51+5.14=6.483.13+3.42+0.92+1.61=9.089.84-4.72=5.129.52+9.45-4.6+9.85=24.225.47-2.85-0.14=2.489.15-4.15+2.87-4.77=3.17.51-6.93+1.41=1.993.93-1.83+5.49-6.92=0.676.02+0.53=6.558.74+6.3-0.43-1.48=13.135.85+0.23-5.42+4.58=5.242.73-0.18+7.86-0.43=9.987.58-6.08-0.18+9.53=10.851.47+9.75-8.79=2.433.55-1.48+5.9=7.977+5.92+0.74-0.89=12.774.61-0.88-0.97-1.65=1.115.22+0.34+9.03-3.99=10.64.92+3.94+0.28-8.15=0.999.31-6.61+6.16=8.866.34+8.69+2.81-2.1=15.749.2-7.43-1.32=0.459.62-4.34-4.1+7.05=8.234.06+4.8-3.48=5.388.84+6.71-1.76-7.85=5.946.29-0.78=5.513.25+7.34-7.27=3.328.95+2.65-5.76=5.842.87-1.29-1.08=0.57.9-0.59+4.72=12.036.11-1.6=4.519.42-2.76-3.63+1.65=4.684.62-0.82+8.35-2.55=9.67.63-2.03-3.8=1.85.25-1.75-3.01+2.31=2.81.39+4.21+3.67=9.276.96-6.27+4.45+6.22=11.368-4.2+7.89-1.92=9.774.86-0.56-1.49-0.71=2.16.22+8.96-4.51-3.32=7.354.5-3.05+8.8=10.258.2+2.53-2.55=8.189.05-5.58+5.71-0.98=8.25.76+5.24-3.16-1.46=6.387.21+2.47-2.89-5.23=1.562.49+4.98-1.22+8.54=14.795.11+0.88=5.999.76+6.8+1.74+1.06=19.363.16+9.86+5.39-0.68=17.736.31+7.56-0.8=13.075.32-0.79-2.49=2.043.3+7.85+3.13+6.18=20.462.6-0.24-0.41+7.2=9.158.27-4.94+0.93+9.19=13.457.45-7.2+9.81-3.54=6.523.9+4.16=8.064.28-3.64+7.9+7.86=16.41.77+6.58-0.71-6.81=0.834.99+8.5+4.62+6.93=25.048.22-7.99+2.29-0.03=2.495.81-1.22-3.2=1.396.64-5.23+7.79=9.28.6+3.82-3.52+5.33=14.237.65+3.98=11.634.92+2.28+7.62-9.99=4.830.6+8.65+8.04+4.53=21.825.41-1.4+0.07=4.085.54+6.53+6.41+8.12=26.65.06+3.31+3.87+1.28=13.522.78+5.51+8.64-0.63=16.39.95-5.78=4.172.56+4.88=7.440.62+6.78-4.79=2.610.23+9.25-6.17+6.14=9.455.21+6.48+5.03-2.63=14.099.7-1+4.64+6.49=19.839.65+4.72+5.98=20.352.53+0.92+1.49+8.63=13.572.22+3.25+2.36-2.56=5.274.99+7.66+7.25=19.98.21+2.86+1.89-2.18=10.785.11-2.94+7.01-1.54=7.647.57-1.56+8.31+2.7=17.027.55-2.67+3.92=8.84.51-0.49-1.09+7.95=10.887.77+0.03+0.04=7.848.57+3.4+7.62+4.06=23.657.63-6.16-0.92+8.09=8.646.41-0.62+2.49+6.01=14.298.1-2.1+3.26+0.92=10.189.67+4.68+6.13+6.37=26.858.43-1.99=6.441.99+7.92-6.3+5.68=9.297.78-1.05-3.35-2.42=0.967.42-5.85=1.578.39+4.09+1.2+2.55=16.236.55+7.54+5.79=19.886.95+5.9+6.89-0.13=19.615.62+4.95=10.572.09+2.75+4.26+7.85=16.955.77-1.77-2.49=1.517.12+3.33+8.56-7.35=11.668.54-5.89+7+5.74=15.394.68-0.38=4.35.39-5.11+3.47=3.756.97+8.97-4.33=11.613.74+9.59-1.22=12.118.9-0.39-1.21-6=1.39.56-7.72+1.94+8.34=12.125.92+4.99+6.95=17.866.59-0.09-2.3-4.01=0.196.05-3.86+4.48+2.69=9.365.56+1.31-2.53-1.23=3.118.4+3.68+6.89+6.67=25.647.19-3.18-0.56-0.14=3.312.41-2.16+7.77-4.22=3.88.21-1.01+8.67-3.47=12.45.52-2.63=2.899.23+8.29-2.73-3.69=11.13.16-1.96+0.73=1.936.75-0.53-5.81=0.419.6-6.17+5.47=8.90.76+5.42+2.12=8.39.58-2.1+9.56-1=16.047.6+6.75+8.29=22.644.48+8.68-6.79+9.29=15.669.28+9.53-3.26-5.78=9.777.66-1.45=6.218.54-0.32+5.69+2.95=16.868.02-4.7+1.04+5=9.366.81+8.21-7.21=7.811.87+7.77+6.02+8.42=24.085.61-4.44+8.39=9.568.32+1.28+9.68-9.18=10.17.73-4.36+1.74+9.91=15.029.07-6.59+0.81+9.77=13.067.06+6.82+4.72-0.06=18.540.74+9.08+5.16-9.31=5.679.53-1.18-3.84=4.513.29+1.43+2.7=7.428.43-1.99-0.75=5.696.32+6.66-2.48-8.66=1.845.66+3.44+3.58=12.688.97+7.33-5.82-3.24=7.247.15-3.15+6.86=10.865.13-4.84+5.51=5.80.24+3.96+1.98+4.43=10.618.44+6.08-5.28-2.19=7.059.91+9.25+6.69+2.28=28.137.31+7.62+2.68=17.617.68+7.9=15.588.58+9.67-4.78-1.39=12.080.34+7.69-1.85-3.32=2.863.04+5.5=8.549.36-2.65-4.41=2.37.3-1.26=6.048.13-4.55=3.584.47-2.19+7.79=10.078.37-1.47-2.56-0.6=3.749.72+4.6+7.86+4.2=26.383.76+7.37-2.96=8.174+9.44+0.23=13.674.69-3.19-0.25+8.45=9.78.39-3.1-4.97+2.56=2.889.4+5.48-6.45-5.47=2.961.66+2.54=4.29.05-3.09+4.47-7.25=3.183.97+4.11=8.088.47-7.96+0.08+5.64=6.239.3+3.07+2.82=15.196.24-4.87+2.62+7.35=11.347.47-0.84=6.639.95-4.91+9.02-3.58=10.481.5+6.66+1.37+3.83=13.368.74-1.37-6.12-0.06=1.198.73+3.09-8.36+6.67=10.139.51+1.99-6.52+2.53=7.516.64-0.42-2.77-0.58=2.874.04-2.48=1.564.26+9.57-5.66+9.34=17.514.73-0.14-3.41=1.185.75-1.58+6.92-9.21=1.888.62+5.36+8.03=22.019.74-1.4-5.85+9.22=11.717.01-5.03-1.86+8.45=8.571.7+2.61-1.42=2.894.12+6.04+9.03+4.39=23.582.22+1.21=3.438.84-3.24-3.79=1.819.93+7.08+2.67=19.687.83-7.29+2.58=3.120.76+8.39=9.155.72+2.9+0.04-4.37=4.292.52+8.75+7.53=18.83.06-0.4+3.21+5=10.879.65-5.42-1.05+5.83=9.015.19-3.51=1.687.3-2.15-4.39=0.767.25-2.31-0.82+8.17=12.291.75+2.59=4.348.59+9.57+8.25-9.56=16.858.88-1.03+4.98-0.45=12.383.18-1.7-0.21+6.34=7.616.47+2.45+8.16+6.62=23.77.6-2.62-3+3.8=5.789.75+9.66-2.33=17.087.29-4.29+1.79=4.790.22+2.5+3.77-0.79=5.78.8+2.25+5.6=16.656.57+7.96-6.07+6.33=14.798.34+9.24-7.75-3.83=65.46-2.02+0.94=4.384.05-0.4+8.15-5.86=5.943.52+6.45-7.83=2.147.03-1.53=5.53.05+2+7.88+8.88=21.810.18+8.21-7.4=0.995.02-4.29+4.24+2.88=7.851.48+0.51+3.97=5.964.46-3.79+8.91+2.62=12.24.8-3.49-0.06+0.14=1.399.91+9.01-6.67+3.1=15.353.35-1.48+2.65=4.520.29+5.91=6.29.96+7.13-5.75-4.39=6.955.6-0.46-4.51+6.57=7.27.95-3.15+2.59=7.398.02+1.32-6.35+4.93=7.929.54+6.06+8.66=24.265.97-0.43-2.75+9.15=11.941.02+8.85=9.873.64-0.38=3.264.45+5.47-9.17=0.755.04-0.27-2.55-1.36=0.868.29+3.73-3.76-7.41=0.857.69+3.6+7.23=18.529.58-5.35+7.15-9.56=1.822.18+8.2=10.383.83-1.74-0.68+2.54=3.951.44+6.95-3.56=4.838.77+5.16+8.64+4.72=27.294.7-3.96=0.744.67+1.74-1.99=4.424.04+9.34-1.78-4.82=6.784.65+4.91-6.48=3.083.17+6.63-8.76+1.23=2.275.69+9.83-7.6+5.71=13.638.35-4.74-0.79-1.39=1.435.77+6.89+7.61+8.71=28.987.84+6.88=14.726.41+9.99-3.84+4.61=17.172.45+1.45=3.96.23-0.58+4.87-4.82=5.78.66-5.07-0.25-2.27=1.072.06+6.79-2.16+1.11=7.84.38+6.67-1.03+5.48=15.58.13+1.14+9.16=18.434.91+9.98+3.41=18.39.36-0.69-5.56-1.88=1.238.01+3.02-6.14-2.92=1.976.38-2.95+5.58=9.019.94+8.71-4.49-7.9=6.261.46+2.92=4.389.81-7.75-0.02+6.62=8.666.55-3.18-3.01=0.369.46-2.16=7.32.94+5.74+6.28+5.98=20.945.73+6.27+4.75-6.6=10.155.69+4.53-6.68-2.43=1.114.69+0.76=5.456.11-3.34+8.52-6.03=5.263.66+1.17+6.59+7.69=19.112.87+4.96+8.46=16.290.4+4.32+6.64+5.59=16.959.97-1.09-0.77-1.52=6.592.07+7.84+9.81-5.99=13.739.99-8.47+2.16-0.83=2.859.36-0.16=9.29.99-4.47-4.07=1.455.6+3.41=9.018.24+3.25-2.54+4.54=13.498.08-6.43-1.03+4.79=5.419.72-3.08=6.646.49-3.17=3.325.33-0.69-2.4-1.9=0.347.3+0.24-0.54-4.69=2.316.45+9.78+2.02=18.256.44-3.17-0.95-1.14=1.187.26-2.67+9.58-9.38=4.793.48-2.97=0.514.87+8.75-7.98=5.646.43+1.65-3.67+4.41=8.829.61-3.25+2.68+8.85=17.895.3-0.1+2.81+1.02=9.038.54-3.85=4.697.74-6.84+0.02+3.28=4.29.98-5.71-3.3=0.976.84-4.22+2.05+6.27=10.946.61-0.07-2.51+3.1=7.138.53+9.35+6.18=24.066.96+4.4+0.69=12.050.21+7.22-3.23=4.23.17-0.93+2.32+3.39=7.959.94-1.35-3.87-4.07=0.656.52+5.06=11.585.09+1.44+4.12=10.658.94-0.07-0.13-6.1=2.648.34+2.67+2.31=13.323.37+5.55-7.8=1.127.59-5.08-0.64+7.72=9.598.95-1.88-5.58+8.27=9.765.71+1.91-3.88=3.740.81+3.05=3.868.02-1.57-4.08-1.58=0.792.52+4.62+2.69+3.39=13.228.9+2.88+0.84=12.622.54-0.49=2.056.14-2.89-2.88+5.49=5.868.79-5.27+5.18+1.12=9.822.28+4-3.65+1.46=4.098.72+4.78+5.42+6.99=25.913.66-0.32+7.21+6.22=16.776.37-1.9=4.473.56-1.41+8.55-5.97=4.739.82+3.48+2.9=16.28.32+0.58+6.2=15.15.6+7.07=12.675.92-1.46+6.65-8.7=2.415.85+1.52+3.02-0.65=9.749.71-5.83=3.888.83-2.75-3.18+5.89=8.799.24-3.94+2.27=7.572.89+7.56-2.55+2.73=10.631.59+6.45-4.67=3.374.62-2.76=1.864.71+8.74-3.24-7.42=2.793.32-2.62=0.70.86+7.94-1.79+1.36=8.376.98+8.55-7.62=7.915.98-1.94=4.045.13-2.35+4.23-6.16=0.850.7+1.21+8.05-5.69=4.272.76-0.88+8.34-6.66=3.562.33+3.94-4.53=1.742.95+3.96-2.96+4.84=8.799.06+6.21-7.22=8.058.04-1.91-6=0.135.89+4.94-1-4.08=5.755.39+6.1-2.91+2.32=10.95.62+8.69+5.11+5.88=25.30.39+1.5=1.892.39+4.91=7.38.16-3.37-0.03=4.769.09+2.1-5.85+1.71=7.058.98-3.04-3.27=2.678.41-6.28-0.15+9.05=11.039.79-6.97=2.827.98-0.25-5.03+9.59=12.296.1+9.23+2.89-6.83=11.399.64-5.22-0.94-0.06=3.425.5+4.06-8.56-0.08=0.922.22+2.88+3.03=8.134.51-2.75-1.19=0.576.81-2.11-2.62=2.081.49+3.96+8.67-3.08=11.042.19-0.07+5.82=7.947.94-7.21-0.48+1.8=2.058.26+4.97=13.237.41+3.8-1.52=9.699.27+4.67+9.91+9.96=33.810.17+8.19-1.87=6.498.99+5.52-6.61-1.48=6.427.75-0.11-2.02-2.9=2.725.86+9.15-9.64=5.378.86-1.04+2.78-5.92=4.681.62+8=9.629.98-3.99-0.4-3.8=1.798.37+7.51+9.74+5.52=31.145.98-0.09-3.82+8.89=10.967.43+6.9+0.85=1